The rapper's Roc Nation Saturday brunch is unlike the awards-show late-night bashes being thrown around Los Angeles, and the big names can't get enough of it.

Rapper Jay-Z is a mogul, and one reason he's a mogul is that he won't let you forget his supreme boss status. There he is on the Fortune 500 list. There he is watching the throne. Sold-out tours and extreme luxury, Jay-Z lives life out loud. But ruthless Grammy promotion? Not his style.

As the chief executive of entertainment company Roc Nation, Jay-Z hosts the most anticipated event in celebration of this weekend's Grammy Awards: a Saturday brunch.

It's an unconventional event for a music awards weekend littered with parties that celebrate record labels, production entities, artists and above all else sponsors — each late-night rager promising a laundry list of nominees and buckets of booze from whichever sponsor cuts the biggest check. But we're talking about Jay-Z.

Roc Nation takes over the well-appointed patio of the members-only Soho House West Hollywood so that friends and family get to rub elbows, conceive projects, talk trophies and sip mimosas.

Not the loudest or most hard-core party for a rap king, but that's the delight. Consider it counterprogramming with A-list flare.

While Jay's wife, Beyonce, will presumably tend to their newborn in New York City, the new father of Blue Ivy Carter is expecting friends and colleagues Rihanna, Katy Perry, LA Reid, Ryan Seacrest, Diane Warren, Sia, J. Cole, Sean Garrett and Ellen Pompeo.

And that's just the published guest list. The just-drop-by names last year included Mark Ronson, Solange Knowles, Florence Welch, Adrien Brody, Charlize Theron, Seal, Rufus Wainwright and Will Smith and Jada Pinkett Smith.

No gift bags. No cheeky signature cocktails. Just power players and poached eggs. Speaking of which, the menu will include passed smoked salmon on brioche and Kobe short rib sliders, mini parfaits, a crepe station, and two bars — one omelet, one booze. The list is too long to print here. That's how Jay parties in the day. And it may necessitate a comeback of the disco nap for his famous friends.